دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a flexible band or cord connecting and wrapping around each of two or more pulleys to transmit power or impart motion.

added friction in a deviated well as wireline or coil rubs against the top of the deviated section as the tube or cable is pulled out of a well.

n: a protective grill or cover for a belt and pulleys.